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Mathematics 13 Online
Sarah10:

math help

Sarah10:

http://prntscr.com/ic6917

Sarah10:

there is one more choice which is 42 asa

Sarah10:

@iosangel

Sarah10:

@563blackghost

Sarah10:

@Zepdrix

563blackghost:

We see in the diagram that `JI = JG` as well as `JH = JH` Vertical angles are congruent to each other. So `angle J = angle J` or `117=117`. Since we have identified that two sides are equal with an angle in the middle between the two that is equal as well to the other triangle we would have solved dis by SAS. We are also told that `angle I = 21` We don't know one angle. We would add the two known angles then subtract by 180 to get the last angle. \(\Large\bf{180-(117+21)}\)

Sarah10:

thxxxxxxxxxxxxxxxxxx!

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